六年级解比例及解方程练习题1

1、六年级解比例及解方程练习题1人教版六年级解方程及解比例练习题解比例:x:10=: :x=:2 =:=:x :4=x:8 :x=3:12:=x: = =x: =6: = 45:x=18:26:=x: :x=: :=x:x:24= : 8:x=:=x: 064x 6x x x x1050x40 x20 x618 x 解方程x x= 2x + = 70%x + 20%x = x×=20× 25% + 10x = x - 15%x = 68xx121 5x3× x÷126x5 = 3x= x÷= xx= 4x6×=2÷x= x =

2、x = × x÷ =× 4x3 ×9 = 29 x + x = 4x21×=4 6x5 = x-x= 4638 x÷=12 x= 5x= x= x÷= x=× x÷=÷ = =30% 4+=102 x+x=42 x+x=105 x-x=400 =8 = x+x=18 x×( + )= x= x×+=4× xx125 x×58 ×5- x = (x- = 7 x- 25%x = 10 x- = 16+6 20 x = x- x -4= 21 x25

3、%x=90 xx= x x= 2x + = 70%x + 20%x = x×=20× 25% + 10x = x - 15%x = 68 xx121 5x3× x÷12 6x5 = 3x= x÷= xx= 4x6×=2 ÷x= x = x = × x÷ =× 4x3 ×9 = 29 x + x = 4 x21×=4 6x5 = x-x= 4638 5x= x= x÷= x÷=12 x= x=× x÷=÷ = =30% 4+=1

4、02 x+x=42 x+x=105 x-x=400 =8 = x+x=18 x×( + )= x= x×+=4× xx12 5 x×58 ×5- x = (x- = 7 x- 25%x = 10 x25%x=90 x- = 16+6 20 x = x- x -4= 21 xx= x x= 2x + = 70%x + 20%x = x×=20×25% + 10x = x - 15%x = 68 xx121 5x3× 3x= x÷= xx= 4x6×=2 ÷x= x = x = ×

5、; x÷ =× 4x3 ×9 = 29 x + x = 4 x21×=4 6x5 = x-x= 46385x= x= x÷=x÷=12 x= x=×x÷=÷ = =30% 4+=102 x+x=42 x+x=105x-x=400 =8 = x+x=18 x×( + )= x= x×+=4× xx12 5 x×58×5- x = (x- = 7 x- 25%x = 10x- = 16+6 20 x = x- x -4= 21 计算下面各题，能简算的要简算. ××3 5×× × 4 × （+ ）× 5 （+）×27 6 ×（×） （ ）× ×（7 ） ×+ × ×+× × × ×6 × 621× 37× × 24 （+ 7 ）× 25 ×+ × × 1 × + × ×（5 ） 12×（+ + ） ×（125 ×